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How to name structural features

  1. Feb 1, 2007 #1
    i need help with this, i got lost in my chemistry lab,
    i know how to name the structures of molecules, but features such as flat area, troughs etc.
     
  2. jcsd
  3. Feb 2, 2007 #2

    chemisttree

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    Huh???????
     
  4. Feb 3, 2007 #3
    huh....???
     
  5. Feb 3, 2007 #4
    i thought u guys were suppost to be chemist masters
     
  6. Feb 4, 2007 #5

    Gokul43201

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    Please describe what this lab is about (and use as much of the description as is provided in the lab manual/instruction sheet as possible). We've got no context to work on.

    What kinds of molecules are you talking about here? I have not (and I suspect, neither has chemistree) come across a single reference to "flat areas" or "troughs" in the context of molecular structures. So, what this means is that your question is essentially meaningless to us.

    If you would like help with this, you need to provide as much detail and context as is necessary for us to understand what you are talking about.

    Also, since this is schoolwork, you should use the Homework & Coursework forums. Keep that in mind for next time.
     
  7. Feb 7, 2007 #6

    chemisttree

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    Flat areas, troughs, pleated sheets, helical coils, nematic, isotropic, cholesteric are all adjectives that describe features of molecules and molecular systems. They are generally not used in chemical nomenclature but are sometimes used (with great enthusiasm) when discussing things like mechanisms and so forth. So one might describe a reaction as occurring from the alpha or beta face of a steroid compound or the endo or exo side of a bornene compound or the re or si face of a prochiral molecule.

    Hope it helps... I didn't quite understand your question.

    Did you ever find your way out of the chemistry lab?
     
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